20117962172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3631}}^1\times {\mathrm{17989}}^1$

素因数の和:21642

約数の個数: 48

約数和(自身を含む): 43908264960

約数和(自身を除く): 23790302788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 3631, 7262, 14524, 17989, 25417, 35978, 39941, 50834, 71956, 79882, 101668, 125923, 159764, 197879, 251846, 279587, 395758, 503692, 559174, 791516, 1118348, 1385153, 2770306, 5540612, 65318059, 130636118, 261272236, 457226413, 718498649, 914452826, 1436997298, 1828905652, 2873994596, 5029490543, 10058981086, 20117962172]

約数ペア:

[(1, 20117962172), (2, 10058981086), (4, 5029490543), (7, 2873994596), (11, 1828905652), (14, 1436997298), (22, 914452826), (28, 718498649), (44, 457226413), (77, 261272236), (154, 130636118), (308, 65318059), (3631, 5540612), (7262, 2770306), (14524, 1385153), (17989, 1118348), (25417, 791516), (35978, 559174), (39941, 503692), (50834, 395758), (71956, 279587), (79882, 251846), (101668, 197879), (125923, 159764)]